Transaction not yet indexed

53du21apWFcNV5Rprv3v8mgq4yGL9YbQKd7ZtTcK8K91av1oAwhHzG2sMYnrawsu1Ltw5quxGHt2wAHf5CSFG2i8

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.